indefeasible
indefeasible (in-d[schwa]-feez-[schwa]-b[schwa]l), adj. (Of a claim or right) not vulnerable to being defeated, revoked, or lost (an indefeasible estate).
indefeasible (in-d[schwa]-feez-[schwa]-b[schwa]l), adj. (Of a claim or right) not vulnerable to being defeated, revoked, or lost (an indefeasible estate).